Set of bristles for a toothbrush



FIG. 1 is a top plan view of a set of bristles for a toothbrush showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is an elevational view as seen from the left end of FIG. 1;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a perspective view thereof. 

The ornamental design for a set of bristles for a toothbrush, as shown and described. 